61606059976 has 32 divisors (see below), whose sum is σ = 120135024000. Its totient is φ = 29591130816.

The previous prime is 61606059953. The next prime is 61606060051. The reversal of 61606059976 is 67995060616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293886 + ... + 1340653.

It is an arithmetic number, because the mean of its divisors is an integer number (3754219500).

Almost surely, 2^61606059976 is an apocalyptic number.

It is an amenable number.

61606059976 is a deficient number, since it is larger than the sum of its proper divisors (58528964024).

61606059976 is a wasteful number, since it uses less digits than its factorization.

61606059976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634661 (or 2634657 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 55.

The spelling of 61606059976 in words is "sixty-one billion, six hundred six million, fifty-nine thousand, nine hundred seventy-six".